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Lawrence Liverm re National Labor dr <br /> y <br /> September 22, 1989 , `{5 <br /> 1 11-6 <br /> I �Pai <br /> Dr. Jogi Khanna <br /> San Joaquin County Public Health Services O C� 2 1989 <br /> Environmental Health Division <br /> Post Office S200r`� <br /> Stockton, 95201 SAN JOA L <br /> HEAL T <br /> Subject: Results of Tank Testing at Lawrence Livermore National <br /> Laboratory Site 300 <br /> Dear Dr. Kharma, <br /> This letter transmits the results of leak tightness tests performed <br /> on underground tank systems at Site 300 since the time of our last <br /> report on August 5, 1989. All but two of the tests reported here <br /> were Precision Tests performed in accordance with Section 2643(b) of <br /> the California Underground Tank Regulations. The two tests <br /> constituting the exceptions were helium injection/detection tests. <br /> Listed below is pertinent data for each test. A copy of the report <br /> for each test is attached. <br /> Tank System ID Capacitv Year Gain/Loss Test Additional <br /> Reg # New (Gallons) Instld (Gal/Hr) Date Information <br /> PETROLEUM PRODUCT SYSTEMS <br /> 805-41D 805-DlUl 300 1978 -0.01 7/12/89 <br /> 827-11D 827-DlUl 8000 1967 +0.03 8/15/89 <br /> 827-12D 827-D2U1 280 1967 0.00 7/18/89 <br /> 834-11D 834-DlU1 1000 UNK +0.02 7/13/89 <br /> 836-41D 836-DlU1 280 UNK -0.01 8/14/89 <br /> 865-11D 865-DlU1 4000 1982 -0.04 7/13/89 <br /> 871-11D 871-DlU1 2000 1982 0.00 7/12/89 <br /> 875-11D 875-DlUl 3000 UNK -0.01 7/11/89 <br /> 877-11D 877-DlU1 2000 UNK -0.01 7/11/89 <br /> 879-11G 879-GlU1 10000 UNK +0.01 6/03/89 <br /> 879-12G 879-G2U1 10000 UNK tight 2/13/89 Helium Test <br /> 879-12G 879-G2U1 10000 UNK -0.01 2/22/89 <br /> WASTE RETENTION SYSTEMS <br /> 801-31R 801-R2U1 4000 1980 -2.87 5/23/89 Tank/Piping <br /> 801-31R 801-R2U1 4000 1980 -0.01 5/23/89 Tank Only <br /> 801-31R 801-R2U1 4000 1980 tight 5/30/89 Part Piping <br /> 801-31R 801-R2U1 4000 1980 leak 6/06/89 Helium Test <br /> 801-31R 801-R2U1 4000 1980 -0.03 7/14/89 Repaired <br /> Not Reg 879 RlU1 141 LINK 0.00 6/15/89 <br /> An Equal Opportunrt y Employer•Universityof California•PQ Box 808 Livermore,California 94550•Telephone(415)422-1100•Twx 910-386-8339 UCLLL LVMR <br /> I <br />